-
Omitting LETAn untested thought. Changing: [code]1B34 SUB $CE ; Reduce command code by $CE to ; give 00 to 31 for comman…
... to REPORT-C if not a
; command[/code ... />
...
TRYLET LD HL,(CHADD) ; Step CHADD back ... DEC HL
LD (CHADD),HL
LD A,'LET'-$CE ; Set ... be omitted, allowing [b]a=1[/b] instead of ... -
Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... print 16-character messages at a particular point on the ... codes
.msgpcc ld a,(hl) ; load character into A
cp $FF ... the process
.msgecc ld b,$10 ; messages are always ... message
.msgpch ld a,(hl) ; load character into A
rst $10 ... -
Tapes found!Hi to all. I (re)found a tape box today. I give you a list of what I have here: I don't know if something is M.I.A. Some Italian Compilations (don't…
... to all. I (re)found a tape box today. I give ... you a list of what I have ... if something is M.I.A.
Some Italian ... , Jet Set Willy , H.U.R.G, Zaxxan, Gnasher, Star Warrior ...
Total Recall
N.A.R.C.
Red Heat Double ... -
checksum routine from Space GunThis routine starts off with HL=$ffff and a file header read from tape, for each byte of which in turn it assigns to A and calls this routine, ending…
... $0f :
LD E,A : LD A,L : XOR B :
LD H,A : LD A,E : XOR ... C : AND $0f :
LD C,A : RLA ... RLA :
LD B,A : RLCA : AND $01 :
LD E,A : LD A,B : XOR ... H : XOR E
LD H,A : LD A,B ... -
Any xfire users on here?Xfire seems to have developed a serious bug of not updating game hours anymore. The forums are full of pissed off people claiming xfire can detect th…
Xfire seems to have developed a serious bug of not updating game hours ... -
How do you restrict this routines actions?I'm trying to plagiarise a piece of code I came across in the 80's, but seem to be banging my head against a brick wall! The routine fades the scree…
... c, l_b7b5
dec a
ld c, a
ld a, b
and ... a, c
ld b, a
l_b7c9: ld a, b
l_b7ca: ld (hl), a
inc hl
ld a ... -
MultifaceOneCrack-Killer.tzxhi all just wondering if anyone has ever tried to use this tool? i have had a look at it and think i understand wot it's ment to do but the code loo…
... meant to save out a loader and the screen ... />
below is a bit of the code starting ... ]
XOR A
LD IX, 24182
LD DE, 17
CALL 1218
CALL 24173
LD A, ... 255
LD IX, 23755
LD DE, 236 ... -
Printing textThis is probably quite a basic question, or there might be something obvious I'm missing. I'm looking for an economical way of printing formatted te…
... printing formatted text in a set-width column on ... There may also be a blank row between paragraphs.< ... />
[CODE]
ld a,2
call 5633 ; open ... /> print_text
ld a,(hl)
or a
ret z
Is there a better way to print the ... -
BetterBytes Disc-Mate MGT Protectionmornin all while lookin at a few programs last nite i noticed disc-mate has some form of protection on it it will load fine in zxspin but try and loa…
... all
while lookin at a few programs last nite i ... or speculator and you get a screen telling you its not ... a genuine disk
i ... basic but their is a few pokes and a load of command ... just lucky or their is a small bug in the real spec ... -
Works in Fuse & SpecEmu, not ZXSpinI decided that I wanted to change the scroll routine which I was using for compiling the Trailblazer maps, as I'd just copied it out of Andrew Hewson…
... :
ld a,2
call $1601 ;CHAN_OPEN
ld a,12
ld a,$ff
ld de,193
ld ix,23296< ... />
PATTERN:
ld a,8
ld bc,$0c
PATLOOP ... -
Mojon Twins' Covertape #2Ready for TWELVE new games? [b]Sir Ababol 2 Demo[/b] [img]http://www.mojontwins.com/wp-content/uploads/2013/06/01-sir-ababol-demo-2.png[/img] We ar…
... her legs into a boot. Yeah, a leather boot. Cheril ... Formentero, a famous football player, was a success. In a decisive match ... , he fails a penalty ... space with her own T.A.R.D.I.S., disguised ... then return to her T.A.R.D.I.S. Be ... -
inline z80 with sdccI cant get it to work at all: #include <string.h> char test[10]; void main(void) { strcpy(test,"testing"); _asm ld a,32 _endasm; } this produc…
... ,"testing");
_asm
ld a,32
_endasm;
ld' ; column 2 -
SpecBAS 0.776 released!Hi all - A small update today, though it has taken an enormous effort to get this working well (and efficiently!). I'm quite glad I did it though, …
... Associative arrays - access arrays using a key string. KEY array(index ... KEY CLEAR array([index]) clears a key from an array element ... Fixed:
Fixed a rare bug in the mouse handling code ... that could cause a crash ... -
Using downloaded WOS filesI am the new owner of a 48K Spectrum, which loads games from tape without any problems. I am not having great success with games downloaded from the…
... am the new owner of a 48K Spectrum, which loads games ... and then nothing (not even a ?R: tape loading error?!). I get ... at the data waveforms using a ?scope. The tape derived signal ... -
Machine code assistance please #1Dear all, Learning the ropes here, so please excuse these odd questions which may seem simplistic to you learned lot. This routine is placed at 33…
... /> ld l,155
ld c,200
ld a,c
add a,l ...
ld c,a
[code]
ld hl,0
ld bc,0
[/code ... -
Struggling with this routine... Any ideas?I'm trying to write a routine that plots 3 pixels to decrease the energy bar in the top right corner by 5 units, but it just wont have it! There mus…
... (5 times in loop)
ld a,96 ;green paper black ink ... bright
ld (23695),a ;set colour
ld a,(hl) ;load a with energy ... level
ld b,18 ... to be plotted
ld c,a ;load c with ammended value ... -
Strider II (and others) + 3 disk versionsHello everyone, I've been working on converting some games to be able to load them from the +3 floppy. I started with single load games but now Im i…
... /> ld (levid+1), a
ld a, (23399)
ld (rombkup), a
ld a,4
ld (23399),a ...
levid:
ld a, 1 ... -
Cobra (improved again BUGFIX)This is an improved BUGFIX for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000996"]Cobra[/URL], that works better than the fix curre…
...
9601: ld a,c
9602: in a,($ff) ; register 'A' always set ... this routine with a fixed loop:
[CODE]95fe: ld bc,$0300 ... /> 9601: dec bc
9602: ld a,b
9603: or c ... -
SpecBAS 0.780 releasedHi all - Back again with a new SpecBAS release! It's all been about arrays this time around, and to add to those lovely associative arrays from las…
... />
Back again with a new SpecBAS release!
Dynamic array allocation - DIM a() - note the empty brackets, ... 't issue a carriage return
A silly bug in command ... triggering a segfault when used in certain conditions
Bug in ... -
Redefine keys routineHow would I go about making a memory efficient redefine keys routine? I only want to define up, down, left and right and reserve key 'H' for pause.…
... would I go about making a memory efficient redefine keys routine ... :
[CODE] ld a,239
in a, (254)
and 4 ... -
trying to read keyboardI have the speccy in interrupt mode 1 I used 'IM1' in assembly language then Im printing the contents of memoryu area 23560 to the screen: [quote] l…
... rst #16 ; print it.
ld a,#10 ; vertical position.
rst ... ld a,#10 ; y coordinate.
rst #16
LD A,#0
LD ... (#23560),A
LD A,(#23560)
MGT MOUSE - exist really ?I read disassembly of +D rom/ram code and from address #2249 is routine for read MGT MOUSE ports. I can't find any info about "MGT MOUSE". Exist real…
... was moved right.
2269 LD A,0 Left side of screen ... RET
226F MOVE_RIGHT LD A,255 Right side of screen ... RET
2285 MOVE_UP LD A,175 Top side of screen ...Routine for Currah speechI'm currently writing a routine for the Currah that will provide speech during a game. A timer is set to initiate the speech every 50 cycles of the …
... 40000
ld a, (tim) ;timer
inc a
ld (tim),a
cp ... /> ret c
start1 ld a,0
ld (tim),a ;reset timer
Loop: ld a, (hl)
ld (de), a ;load allophone in buffer ...The Pros and Cons of "alternative" assembler syntaxContinuing from [URL]http://www.worldofspectrum.org/forums/showpost.php?p=720754&postcount=72[/URL] [QUOTE=u6c87;720754]But that wouldn't change if…
... ).
Is "ld a, 4(ix)" really that much ... harder to read than "ld a, (ix+4)" or ... [/B] instead of [B]ld[/B] and argue "it ... br /> The 8080 variations are a slightly different story, because apart ... take this offline, to a different thread, or just ...DK Tronics keyboard - can you confirm?Hey guys, Can someone please confirm if this is indeed a dK' Tronics keyboard, or a 'clone' thereof? [url]http://www.ebay.com/itm/Sinclair-ZX-81-in…
... this is indeed a dK' Tronics keyboard, or a 'clone' thereof?
a dK' Tronics, so it could ... version?
Is it a R@RE!!!! LOOK HERE F**KER ...ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... 'm working on removing a final bug of the DivMMC EnJOY! ... on the DivMMC board by a 74LVC1G14 Schmitt trigger inverter, ... />
The +2 has a 1K5 pullup resistor directly connected ... br />
Sinclair obviously dropped a stich with the ULA design ...800+ Spectrum 128k & 48k original titles still availableHi guys, The original thread was a bit messy and has vanished from the front page, so rather than bump it, here it is again a bit tidier: All origi…
... Ride
A View to a Kill
A View to A Kill
Blizzard Pass + H.A.R.D
Blockbusters
Blockbusters ... Hotshots
How to be a Hero
Howzat
Hunchback ... /> Majik
Make-A-Chip
Make-A-Chip
Manchester United ...128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…
... [code];; load a 4000 byte BASIC program
ld ix,23552 ; start ... of system variables
ld de,4000
call ... 100
ld hl,100
ld (23618),hl
ld a,1 ; ... statement 1
ld (23620), ...
